\begin{frame}
\frametitle{Extended Matrix Grammars using tables}

Extension of TXMG are also made in \cite{journals/isci/SubramanianSS85} and \cite{conf/gg/Siromoney86}. 

Further work: 

\begin{itemize}
	\item Kolam array grammars
	\item There is an approach treating terminals as a function of time. 
\end{itemize}

\end{frame}